feat: add preference to customize global trackers (#1836)

* Add preference to customize global trackers. Requires restart to apply

* Use IPC to pass global trackers list, torrent pause and resume will now update trackers

* Make the default tracker list an array from array of arrays

* Use globalThis instead of just global

Co-authored-by: Diego Rodríguez Baquero <github@diegorbaquero.com>

src/renderer/controllers/torrent-list-controller.js

@@ -113,6 +113,10 @@ module.exports = class TorrentListController {
     }
   }
 
+  setGlobalTrackers (globalTrackers) {
+    ipcRenderer.send('wt-set-global-trackers', globalTrackers)
+  }
+
   // TODO: use torrentKey, not infoHash
   toggleTorrent (infoHash) {
     const torrentSummary = TorrentSummary.getByKey(this.state, infoHash)